PHYS-1401: College Physics-I
HOMEWORK PROBLEMS
CRN 55178
Khalid Bukhari
HW-4
Chapter 4: THE LAWS OF MOTION
PART-A: Hand in your answers in class on scantron on Wednesday 22 September-2010. The questions
have been numbered so you can use the back side of a
Newtons Laws of Motion
We begin our discussion of dynamics (study of how
forces produce motion in objects)
Well use kinematic quantities (displacement,
velocity, acceleration) along with force & mass to
analyze principles of dynamics
What is the relati
Physics 214 Test 1A
Section 1: Dr. Gladden, Feb. 26, 2009
NAME: k 8 l4 UM ID#:
Conceptual Multiple Choice (2 points each): Clearly write the letter corresponding to
the BEST possible answer in the space provided. You may also circle the answer to be sure.
IB Physics SL
3.4 Worksheet: 2-D Motion
GOHS
v vo at
Quick Quizzes
1
3.6) Suppose you are carrying a ball and running at
x (vo v)t
2
vox
constant speed, and wish to throw the ball and catch
it as it comes back down. Should you (a) throw the
1
voy
ball at
Version 001 HW 20 Circuits C&J sizemore (21301jtsizemore)
This print-out should have 35 questions.
Multiple-choice questions may continue on
the next column or page nd all choices
before answering.
Serway CP 17 13
001 10.0 points
A 1.2 cm length of tungst
Physics 121.6 2007/2008
Assignment 6 - Solutions
1. Chapter 6, Problem 8. Consider a conical pendulum
(Fig. 6.3) with an 80.0 kg bob on a 10.0 m wire making an
angle of = 5.00 with the vertical. Determine (a) the
horizontal and vertical components
CHAPTER 42 MOLECULAR AND SOLID-STATE PHYSICS
Section 42-2: Molecular Energy Levels Problem
1. Find the energies of the first four rotational states of the HCl molecules described in Example 42-1.
Solution
The energies of rotational states (above the j = 0
CHAPTER 39 INSIDE ATOMS AND NUCLEI
ActivPhysics can help with these problems: Activities 17.317.6 Section 39-1: Toward the Quantum Theory
Useful numerical values of Plancks constant, in SI and atomic units, are: h = 6.626 10 34 J s = 4.136 10 15 eV s = 12
PART 6 MODERN PHYSICS CHAPTER 38 THE THEORY OF RELATIVITY
Section 38-2: Problem
1. Consider an airplane flying at 800 km/h airspeed between two points 1800 km apart. What is the round-trip travel time for the plane (a) if there is no wind? (b) if there is
CHAPTER 37 INTERFERENCE AND DIFFRACTION
ActivPhysics can help with these problems: Activities in Section 16, Physical Optics Section 37-2: Problem
1. A double-slit system is used to measure the wavelength of light. The system has slit spacing d = 15 m and
CHAPTER 34 MAXWELLS EQUATIONS AND ELECTROMAGNETIC WAVES
Section 34-2: Problem
1. A uniform electric field is increasing at the rate of 1.5 V/m s. What is the displacement current through an area of 1.0 cm 2 at right angles to the field?
Ambiguity in Ampre
CHAPTER 30 SOURCES OF THE MAGNETIC FIELD
ActivPhysics can help with these problems: Activities 13.113.3, 13.5 Section 30-1: Problem
1. A wire carries 15 A. You form the wire into a single-turn circular loop with magnetic field 80 T at the loop center. Wha
CHAPTER 28 ELECTRIC CIRCUITS
ActivPhysics can help with these problems: Section 12, DC Circuits Section 28-1: Problem
1. Sketch a circuit diagram for a circuit that includes a resistor R1 connected to the positive terminal of a battery, a pair of parallel
CHAPTER 29 THE MAGNETIC FIELD
ActivPhysics can help with these problems: Activities 13.4, 13.6, 13.7, 13.8 Section 29-2: Problem
1. (a) What is the minimum magnetic field needed to exert a 5.4 10 15-N force on an electron moving at 2.1 10 7 m /s ? (b) Wha
CHAPTER 27 ELECTRIC CURRENT
Section 27-1: Problem
1. A wire carries 1.5 A. How many electrons pass through the wire in each second?
Electric Current
Solution
The current is the amount of charge passing a given point in the wire, per unit time, so in one s
CHAPTER 26 ELECTROSTATIC ENERGY AND CAPACITORS
Section 26-1: Problem
1. Three point charges, each of + q , are moved from infinity to the vertices of an equilateral triangle of side l. How much work is required?
Energy of a Charge Distribution
Solution
Th
CHAPTER 25 ELECTRIC POTENTIAL
ActivPhysics can help with these problems: Activities 11.9, 11.10 Section 25-2: Problem
1. How much work does it take to move a 50- C charge against a 12-V potential difference?
Potential Difference
Solution
The potential dif
CHAPTER 24 GAUSSS LAW
ActivPhysics can help with these problems: Activities 11.411.6 Section 24-1: Problem
1. What is the net charge shown in Fig. 24-39? The magnitude of the middle charge is 3 C.
Electric Field Lines
Solution
The number of lines of force
PART 4 ELECTROMAGNETISM CHAPTER 23 ELECTRIC CHARGE, FORCE, AND FIELD
ActivPhysics can help with these problems: Activities 11.111.8 Section 23-2: Problem
1. Suppose the electron and proton charges differed by one part in one billion. Estimate the net char
perez-tineo (gp5995) #5 Forces Deyo (22009) This print-out should have 21 questions. Multiple-choice questions may continue on the next column or page nd all choices before answering. 001 10.0 points A heavily loaded freight train moves with constant velo